Blar i NTNU Open på forfatter "Jelle, Bjørn Petter"
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Non-Destructive Surface Characterization of Wood Façade Materials and Wood Fungi by Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy
Gupta, Barun Shankar (Doctoral theses at NTNU;2016:299, Doctoral thesis, 2016)Wood material is the dead xylem part of a tree that is being used for building construction, furniture, decorative items etc. Building façade is the outer envelope of a building. Wood façade materials are exposed against ... -
Norwegian Pitched Roof Defects
Gullbrekken, Lars; Kvande, Tore; Jelle, Bjørn Petter; Time, Berit (Journal article; Peer reviewed, 2016)The building constructions investigated in this work are pitched wooden roofs with exterior vertical drainpipes and wooden load-bearing system. The aim of this research is to further investigate the building defects of ... -
Numerical Modeling of Effective Thermal Conductivity of Hollow Silica Nanosphere Packings
Liu, He; Tian, You; Alex Mofid, Sohrab; Li, Shanshan; Zhou, Junjie; Hu, Mengyao; Jelle, Bjørn Petter; Gao, Tao; Wu, Xuehong; Li, Zengyao (Peer reviewed; Journal article, 2021)Hollow silica nanosphere packings (HSNSPs) can significantly suppress heat conduction through solid and gas phases due to the voids, small interparticle contact areas, and nanosized pores, showing promising potentials ... -
Operating Hardware Impact on the Heat Transfer Properties of Windows
Misiopecki, Cezary; Hart, Robert; Gustavsen, Arild; Jelle, Bjørn Petter (Peer reviewed; Journal article, 2021)Despite significant advancements in fenestration technology in the last two decades, the thermal transmittance of fenestration products is still significantly higher than that of walls. This corresponds to 60% of the total ... -
Optically-Switchable Thermally-Insulating VO2-Aerogel Hybrid Film for Window Retrofits
Zhao, Xinpeng; Alex Mofid, Sohrab; Jelle, Bjørn Petter; Tan, Gang; Yin, Xiaobo; Yang, Ronggui (Peer reviewed; Journal article, 2020)Developing easy-to-install energy-efficient window retrofitting materials is important for reducing the heating and cooling loads of buildings. However, it is very challenging to achieve window retrofits that are simultaneously ... -
Paraotwayite-Type α-Ni(OH)2 Nanowires: Structural, Optical and Electrochemical Properties
Gao, Tao; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2013)Paraotwayite-type nickel hydroxide [Ni(OH)2] nanowires with typical diameters of 20−30 nm and lengths up to several micrometers were prepared via a simple hydrothermal synthesis. The as-prepared nanowires had a mean ... -
Passive Snow Repulsion: A State-of-the-art Review Illuminating Research Gaps and Possibilities
Andersson, Per-Olof; Jelle, Bjørn Petter; Zhang, Zhiliang (Journal article; Peer reviewed, 2017)Building integrated photovoltaics (BIPV) are becoming more common every day. They are used everywhere, from the cabin in the mountains to the modern apartment building, and with more common use, strengths and weaknesses ... -
Performance of an electrochromic window based on polyaniline, prussian blue and tungsten oxide
Jelle, Bjørn Petter; Hagen, Georg K (Journal article; Peer reviewed, 1999)In our laboratory various electrochromic windows (ECWs) have been investigated using mainly tungsten oxide (WO3), polyaniline (PANI) and prussian blue (PB) as electrochromic materials in combination with poly(2-acrylamid ... -
Performance of Building Integrated Photovoltaics with respect to Architectural Integration and Geographical Location
Chimienti, Ornella (Master thesis, 2017)Currently, we are living in a world where any human activity and any process linked to it, needs energy. From the technology up to daily life, across research and primary needs. To support this necessity of energy the world ... -
Perspective of Aerogel Glazings in Energy Efficient Buildings
Gao, Tao; Ihara, Takeshi; Grynning, Steinar; Jelle, Bjørn Petter; Lien, Anne Gunnarshaug (Journal article; Peer reviewed, 2016)The application perspective of aerogel glazings in energy efficient buildings has been discussed by evaluating their energy efficiency, process economics, and environmental impact. For such a purpose, prototype aerogel ... -
Phase Change Materials and Products for Building Applications: A State-of-the-Art Review and Future Research Opportunities
Kalnæs, Simen Edsjø; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2015)Phase change materials (PCM) have received considerable attention over the last decade for use in latent heat thermal storage (LHTS) systems. PCMs give the ability to store passive solar and other heat gains as latent heat ... -
Phase Change Materials for Building Applications: A State-of-the-Art Review
Baetens, Ruben; Jelle, Bjørn Petter; Gustavsen, Arild (Journal article; Peer reviewed, 2010)Phase change materials (PCMs) are regarded as a possible solution for reducing the energy consumption of buildings. By storing and releasing heat within a certain temperature range, it raises the building inertia and ... -
Preparation of low density organosilica monoliths containing hollow silica nanospheres as thermal insulation materials
Grandcolas, Mathieu; Jasinski, Euphrasie; Gao, Tao; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2019)In this study, we demonstrated that low density organosilica monoliths (LDM) containing hollow silica nanospheres (HSNS) may have a great potential for the use as thermal insulation materials. First, hydrophilic and ... -
Properties, Requirements and Possibilities of Smart Windows for Dynamic Daylight and Solar Energy Control in Buildings: A State-of-the-Art Review
Baetens, Ruben; Jelle, Bjørn Petter; Gustavsen, Arild (Journal article; Peer reviewed, 2010)A survey on prototype and currently commercial dynamic tintable smart windows has been carried out. The technologies of electrochromic, gasochromic, liquid crystal and electrophoretic or suspended-particle devices were ... -
Quantification of Wind-Driven Rain Intrusion in Building-Integrated Photovoltaic Systems
Fedorova, Anna; Jelle, Bjørn Petter; Hrynyszyn, Bozena Dorota; Geving, Stig (Peer reviewed; Journal article, 2021)Wind-driven rain (WDR) impact is a serious exposure that affects performance of the building envelope components and systems. This study presents results from a laboratory investigation of a testing methodology of WDR ... -
Radon barriers: A state-of-the-art review and future opportunities
Molin, Erik Alexander; Mørch, Maria Elisabeth (Bachelor thesis, 2023)Forskjellige løsninger for radonsperrer har blitt sammenlignet og studert. Kommersielle radonsperrer og andre materialer har blitt satt opp mot hverandre for å vise hvilke av de som kan være velfungerende barrierer. De ... -
Radon barriers: A state-of-the-art review and future opportunities
Mørch, Maria Elisabeth; Molin, Erik Alexsander (Bachelor thesis, 2023)Forskjellige løsninger for radonsperrer har blitt sammenlignet og studert. Kommersielle radonsperrer og andre materialer har blitt satt opp mot hverandre for å vise hvilke av de som kan være velfungerende barrierer. De ... -
Reaction to Fire and Water Vapour Resistance Performance of Treated Wood Specimens Containing TiO2 and Clay Nanoparticles
Fufa, Selamawit Mamo; Steen-Hansen, Anne Elise; Jelle, Bjørn Petter; Hovde, Per Jostein (Journal article; Peer reviewed, 2014)The effect of TiO2 and/or clay nanoparticles on water vapour permeability and the reaction to fire performance of coated and impregnated spruce wood were studied. Water vapour permeability properties were used to assess ... -
Reduced-Scale Hot Box Method for Thermal Characterization of Window Insulation Materials
Zhao, Xinpeng; Alex Mofid, Sohrab; Hulayel, Majed R.A.; Saxe, Gabriel W.; Jelle, Bjørn Petter; Yang, Ronggui (Journal article; Peer reviewed, 2019)Highly transparent and low thermal conductivity materials have attracted great interest for the applications in window insulation in recent years. Accurate characterization of the thermal properties including thermal ... -
Reviewing the Learning Process through Creative Puzzle Solving
Jelle, Bjørn Petter (Journal article; Peer reviewed, 2017)Human beings are at a continuous learning process at various levels and with different motivations during their whole lifetime. Puzzle solving may beneficially be applied to increase the motivation, enhance the mastering ...